tases atses tsaes staes astes sates taess atess teass etass aetss eatss tseas steas tesas etsas setas estas asets saets aests easts seats esats tasse atsse tsase stase astse satse tasse atsse tsase stase astse satse tssae stsae tssae stsae sstae sstae asste saste asste saste ssate ssate taess atess teass etass aetss eatss tases atses tsaes staes astes sates tesas etsas tseas steas estas setas aests easts asets saets esats seats tsesa stesa tessa etssa setsa estsa tssea stsea tssea stsea sstea sstea tessa etssa tsesa stesa estsa setsa sesta essta sseta sseta essta sesta asest saest aesst easst seast esast asset saset asset saset ssaet ssaet aesst easst asest saest esast seast sesat essat sseat sseat essat sesat
Note: these 'words' (valid or invalid) are all the permutations of the word tases. These words are obtained by scrambling the letters in tases.